Proficiency Testing Study Options

This product contains proficiency testing sample(s) for analysis by your laboratory. Result of these measurements are to be reported within the timeframe of a study listed below. When ordering this product, select the appropriate study option for your laboratory's requirements.

DMRQA 29 WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 29 Friday, May 01, 2009 through Friday, August 21, 2009

WP08-5 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, December 03, 2008 through Friday, January 16, 2009

WP09-1 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, January 21, 2009 through Friday, March 06, 2009

WP09-2 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, April 01, 2009 through Friday, May 15, 2009

WP09-3A WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 29 Wednesday, May 27, 2009 through Friday, July 10, 2009

WP09-3B WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 29 Wednesday, July 08, 2009 through Friday, August 21, 2009

WP09-4 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, September 30, 2009 through Friday, November 13, 2009

WP09-5 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, December 02, 2009 through Friday, January 15, 2010

Off-Study A study commencing at the time of purchase and concluding 45 days later or when data submission by your laboratory has been completed. Results are analyzed and returned within 48 hours after the study close.